All - Architectural style - Federal architecture
| Hartshorn, Timothy, House |
| Harvey, Matthew, House |
| Harward Family House |
| Hasbrouck, Judge Jonathan, House |
| Hastings-McKinnie House |
| Hastings, Stephen, House |
| Hathaway's Tavern |
| Hathorn, Lt. John, House |
| Haven-White House |
| Haviland House |
| Haw Branch |
| Haw, John Stoddert, House |
| Hawthorne Hall |
| Hawthorne Place |
| Hayes Plantation |
| Hayes, Richard, House |
| Hayman, Jeptha, House |
| Hay-Morrison House |
| Hays, Joseph C., House |
| Hays-Kiser House |
| Hays-Pitzer House |
| Hays, Seth, House |
| Haywood Hall |
| Hazelwood |
| Hazelwood Plantation |
| Headquarters House |
| Heal Family House |
| Heartsfield-Perry Farm |
| Heath, Ebenezer, House |
| Hedges-Lemen House |
| Helm, John B., House |
| Henderson, Dr. William, House |
| Henegar House |
| Henry, Jacob, House |
| Henry Street Settlement and Neighborhood Playhouse |
| Herkimer County Jail |
| Hermitage, The |
| Hermitage, The |
| Herndon, William H., House |
| Herring House |
| Herrington, John, House and Herrington Bethel Church |
| Hersey-Duncan House |
| Heywood, Phineas, House |
| Hickman, William, House |
| Hickory Hill |
| Hickory Hill |
| Hicks, Joseph, House |
| Higgins, Francis B., House |
| Higgins, Jedediah, House |
| Highland County Courthouse |
| Highlands |
| High Rock Farm |
| Hikes-Hunsinger House |
| Hill, Aaron, House |
| Hillcrest |
| Hiller Building |
| Hill-Physick House |
| Hill, Robert, House |
| Hill School |
| Hills, Dales, and the Vineyard |
| Hillside |
| Hillside |
| Hilton, Peter A., House |
| Hinckley, Nymphus, House |
| Hines House |
| Hinkson, John, House |
| Hitchcock, Rev. George B., House |
| Hobson's Choice |
| Hobson, William, House |
| Hodges House |
| Hoffman House |
| Hoge, James W., House |
| Holbrook, Deacon John, House |
| Holbrook, Dr. Amos, House |
| Holbrook, Sylvanus, House |
| Holdenville City Hall |
| Holland, Ora, House |
| Hollingsworth House |
| Hollister, William, House |
| Holly Court |
| Holly Grove |
| Holly Hall |
| Holmes-Crafts Homestead |
| Holmes, Joseph, House |
| Holmes, Sen. John, House |
| Home of Franklin D. Roosevelt National Historic Site |
| Homeplace |
| Homestead, The |
| Homewood |
| Hood-Tucker House |
| Hooper House |
| Hope Dawn |
| Hopkins, Samuel, House |
| Hopwood-Miller Tavern |
| Horn Quarter |
| Horr, Elijah, House |
| Hoss, Henry, House |
| Hotchkiss, David, House |
| Hotchkiss, Jedediah, House |
| Hough, John and Phineas, House |
Data from United States Park Service and Wikidata
